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【判断题】
时间数列中,各个指标所包含的总体范围前后应该统一。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】距离丈量是用 误差来衡量其精度的,该误差是用分子为 的分数形式来表示。
【简答题】距离丈量是用 误差来衡量其精度的,该误差是用分子为 的 形式来表示。
【单选题】I recently wrote an autobiography in which I recalled many old memories. One of them was from my school days, when our ninth grade teacher, Miss Raber, would pick out words from Reader's Digest to tes...
A.
one of the many old memories
B.
using simple words to express profound ideas
C.
Reader's Digest and school speeches
D.
how to make effective speeches
【单选题】I briefly recalled for each of them _____ acts performed _____.
A.
special, on my behalf
B.
specific, on my behalf
C.
specifal, for my behalf
D.
specific, for my behalf
【单选题】Which of the following is NOT a type of phytoplankton?
A.
Green algae.
B.
Diatoms.
C.
Blue-green algae.
D.
Amoeba.
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